Home / 7,136,100.80-9,847,892.70-3,872,943.71

Finding the Fourth Proportional to 7,136,100.80, 9,847,892.70 and 3,872,943.71

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Solution

The fourth proportional to 7,136,100.80, 9,847,892.70 and 3,872,943.71 is: 5,344,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,100.80 : 9,847,892.70 = 3,872,943.71 : x
  2. Step 2: Convert to fraction form
    7,136,100.80/9,847,892.70 = 3,872,943.71/x
  3. Step 3: Cross multiply
    7,136,100.80x = 9,847,892.70 × 3,872,943.71
  4. Step 4: Simplify right side
    7,136,100.80x = 38,140,334,113,839.65
  5. Step 5: Solve for x
    x = 38,140,334,113,839.65/7,136,100.80
  6. Step 6: Final answer
    x = 5,344,702.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.